Table 3.
Outcome variables after delayed total hip arthroplasty for posttraumatic arthritisa.
| Outcome of interest | Number of studies | Total number of hips | Total outcome number | Mean occurrence (%) |
|---|---|---|---|---|
| Revision surgery | 8 | 362 | 67 | 18.50 |
| Sciatic nerve injury (Iatrogenic) | 4 | 216 | 6 | 2.77 |
| Heterotopic ossification (Brooker class I-IV) | 5 | 212 | 81 | 38.20 |
| Dislocation | 6 | 270 | 17 | 6.20 |
| Infection | 3 | 136 | 14 | 10.20 |
| Loosening (acetabular + femur) | 5 | 246 | 50 | 20.32 |
| 10 year implant survival | 5 | 250 | N/A | 83.74 |
a
Summary of common reported outcome variables following delayed THA for posttraumatic arthritis. Of note, Zhang et al.38 also reported asymptomatic heterotopic ossification; we excluded those cases since they were not categorized into the Brooker criteria.